Melanotan II
$2.20/mg
lowest tracked
Melanotan II is a synthetic analogue of the peptide hormone alpha-melanocyte-stimulating hormone (α-MSH).
33 vendorscheapest vial $44.00 · 20mg
Vendor
Variant
$/mg
Live · Hormonal & Reproductive Price Tracker · Research Use Only
Hormonal & Reproductive peptide price tracker
Melanocortin, GnRH and related hormonal research peptides — PT-141, Melanotan, Kisspeptin and Gonadorelin. Compare prices by $/mg. Prices normalized to dollars per milligram across 44 vendors.
Prices refreshed 2026-06-03
At a glance — lowest tracked $/mg
| Peptide | Vendors | Lowest $/mg |
|---|---|---|
| Melanotan II | 33 | $2.20/mg |
| PT-141 | 32 | $2.40/mg |
| Melanotan I | 18 | $2.90/mg |
| Kisspeptin-10 | 28 | $3.70/mg |
| TRH Thyrotropin | 1 | $3.72/mg |
| Oxytocin | 20 | $4.00/mg |
| Gonadorelin | 9 | $7.90/mg |
| Triptorelin | 2 | $18.0/mg |
PT-141
$2.40/mg
lowest tracked
PT-141 (bremelanotide) is a synthetic melanocortin-receptor agonist peptide.
32 vendorscheapest vial $24.00 · 10mg
Vendor
Variant
$/mg
Melanotan I
$2.90/mg
lowest tracked
Melanotan I (afamelanotide) is a synthetic analogue of alpha-melanocyte-stimulating hormone and a melanocortin-1 receptor agonist.
18 vendorscheapest vial $29.00 · 10mg
Vendor
Variant
$/mg
Kisspeptin-10
$3.70/mg
lowest tracked
Kisspeptin-10 is a fragment of kisspeptin, a peptide encoded by the KISS1 gene that signals through the GPR54 receptor.
28 vendorscheapest vial $36.99 · 10mg
Vendor
Variant
$/mg
TRH Thyrotropin
$3.72/mg
lowest tracked
TRH (protirelin, thyrotropin-releasing hormone) is a naturally occurring tripeptide hormone produced in the hypothalamus.
1 vendorcheapest vial $93.00 · 25mg
Vendor
Variant
$/mg
Oxytocin
$4.00/mg
lowest tracked
Oxytocin is a naturally occurring peptide hormone and neuropeptide produced in the hypothalamus and released by the posterior pituitary.
20 vendorscheapest vial $39.99 · 10mg
Vendor
Variant
$/mg
Gonadorelin
$7.90/mg
lowest tracked
Gonadorelin is a synthetic form of gonadotropin-releasing hormone (GnRH), identical in structure to the endogenous hormone.
9 vendorscheapest vial $79.00 · 10mg
Vendor
Variant
$/mg
Triptorelin
$18.0/mg
lowest tracked
Triptorelin is a synthetic agonist analogue of gonadotropin-releasing hormone (GnRH).
2 vendorscheapest vial $36.00 · 2mg
Frequently asked
- What is the cheapest Hormonal & Reproductive peptide by price per mg?
- Melanotan II is the lowest-priced Hormonal & Reproductive peptide tracked, at $2.20/mg from Purehealthpeptides (as of 2026-06-03).
- How many vendors does Caliber track for Hormonal & Reproductive peptides?
- Caliber tracks 44 vendors across 8 Hormonal & Reproductive peptides, ranked by price per milligram. For research use only.
Other comparisons
For research use only. Caliber Peptide Index does not score or endorse vendors and makes no health, efficacy, dosing, or safety claims about any compound listed.